Please express your answers to 4 decimal places. a. The amount of variation in y

Question

Please express your answers to 4 decimal places.

a. The amount of variation in y explained by the regression is  .

b. The amount of variation in y that is not explained by the regression is  .

c. The total amount of variation in y is

Regression Analysis The regression equation is ROLRESTS 9.45-0.0811 PSI 2 Predictor Constant Coef 9.450 -0.08113 1 StDev 1.228 0.03416 4 7.69 0.000 -2.38 0.029 2 S = 0.8808 R-Sq 23.9% R-Sq(adj) 19.6% = = Analysis of Variance Source Regression1 Error Total 4.3766 13.9657 18.3422 4.3766 0.7759 5.64 0.029 2 0 2

Explanation / Answer

Just cjheck the SS column of the annova table given

a) The amount of variation in y explained by the regression is 4.3766

b) The amount of variation in y that is not explained by the regression is 13.9657

c) The total amount of variation in y is 18.3422

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